Heatseeker is an innovative, affordable chassis solution for bolt action rifles. It's a great lightweight option for midsize game and predator hunting, or long range shooting from the bench. This sub 2lb chassis is machined from billet 6061-T6 aluminum and anodized black. Also included is a 5.5 ounce, 14" carbon fiber handguard with "Sig MPX" style interface. This model is compatible with Howa Mini Action calibers: 223, 300BLK, 7.62x39, 204 Ruger, 6.5 Grendel.